31547750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 67459392

約数和(自身を除く): 35911642

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 571, 650, 850, 1105, 1142, 1625, 2125, 2210, 2855, 3250, 4250, 5525, 5710, 7423, 9707, 11050, 14275, 14846, 19414, 27625, 28550, 37115, 48535, 55250, 71375, 74230, 97070, 126191, 142750, 185575, 242675, 252382, 371150, 485350, 630955, 927875, 1213375, 1261910, 1855750, 2426750, 3154775, 6309550, 15773875, 31547750]

約数ペア:

[(1, 31547750), (2, 15773875), (5, 6309550), (10, 3154775), (13, 2426750), (17, 1855750), (25, 1261910), (26, 1213375), (34, 927875), (50, 630955), (65, 485350), (85, 371150), (125, 252382), (130, 242675), (170, 185575), (221, 142750), (250, 126191), (325, 97070), (425, 74230), (442, 71375), (571, 55250), (650, 48535), (850, 37115), (1105, 28550), (1142, 27625), (1625, 19414), (2125, 14846), (2210, 14275), (2855, 11050), (3250, 9707), (4250, 7423), (5525, 5710)]